{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343259028",
    "entityType": "User",
    "nonce": "0x1a9bff3cb0e77cb749c0bc5e9471826251b2a29d1f4339b2fbfa1c8463b2a7b7",
    "signature": "0x0055da04603b9524a492664feb7b47af7012649735b8cfaf56bb157492bcfb9a7ffb19b868f4b4afa49cc0681bae8aca249fa2020be8df68ed9a2b22fc9dd2731c",
    "signer": "0xCb7Aa833f2E005981510243B801a59e2845966ec",
    "userId": "129166385"
  }
}